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Edward
Edward asked in Science & MathematicsPhysics · 1 month ago

EMF source potential difference?

A 14 Ω resistor and a 6.0 Ω resistor are con- nected in series with an emf source. The potential difference across the 6.0 Ω resistor is measured with a voltmeter to be 18 V.

Find the potential difference across the emf source. 

2 Answers

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  • billrussell42
    Lv 7
    1 month ago
    Favorite Answer

    I = E/R = 18/6 = 3 amps

    V = IR = 3•(6+14) = 60 volts

  • Philomel
    Lv 7
    1 month ago

    18/6=3A

    6+14=20Ω

    20Ω*3A=60V

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